11222247 has 8 divisors (see below), whose sum is σ = 14981760. Its totient is φ = 7472120.

The previous prime is 11222243. The next prime is 11222251. The reversal of 11222247 is 74222211.

It is an interprime number because it is at equal distance from previous prime (11222243) and next prime (11222251).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11222247 - 2² = 11222243 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1222 + ... + 4892.

It is an arithmetic number, because the mean of its divisors is an integer number (1872720).

Almost surely, 2^11222247 is an apocalyptic number.

11222247 is a deficient number, since it is larger than the sum of its proper divisors (3759513).

11222247 is a wasteful number, since it uses less digits than its factorization.

11222247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4693.

The product of its digits is 448, while the sum is 21.

The square root of 11222247 is about 3349.9622385931. The cubic root of 11222247 is about 223.8858301587.

Adding to 11222247 its reverse (74222211), we get a palindrome (85444458).

The spelling of 11222247 in words is "eleven million, two hundred twenty-two thousand, two hundred forty-seven".